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    PBS
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    In this math lesson, learners measure, predict and determine the frequency of an event as it relates to how close Whirlybirds land to a target. In this simulation of a parachute jump competition,...

    1 cent - $1 per group Ages 8 - 11 45 to 60 minutes
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    IEEE
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    In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design. Learners solve algebraic equations,...

    $5 - $10 per group Ages 14 - 18 1 to 2 hours
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    Science Friday
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    In this activity, learners build a stuffed-animal zip line. Learners hold a cord against a wall, hook a cute stuffed animal onto it, let the animal slide down, and records its travel time. Use this...

    $5 - $10 per group Ages 8 - 11 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity, learners build and play three math games. In the first game, called "Switcheroo," learners place marbles in holes 1 through 4 and 7 through 10. The goal is to change the...

    $1 - $5 per student Ages 6 - 14 1 to 2 hours
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    The Exploratorium
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    In this physics activity, learners assemble and/or investigate a pendulum "snake." Several large steel hex-nuts are suspended on strings of successively increasing length to form a series...

    $10 - $20 per group Ages 8 - 18
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    The Exploratorium
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    In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.). The device produces a record of...

    Over $20 per group Ages 14 - 18 1 to 2 hours
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    NASA
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    In this robotics activity, learners drive a remote-controlled car through a course to learn the challenges faced while trying to operate a planetary rover. They use measurement, geometry and...

    1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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    The Exploratorium
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    In this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus. Learners roll...

    $1 - $5 per group Ages 14 - 18 30 to 45 minutes
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    Lunar and Planetary Institute
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    In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater. This activity is...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    University of Washington
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    In this activity, learners investigate visual perception as well as plan and conduct their own experiments. In "CLASS EXPERIMENT," learners discover how depth perception works by testing...

    1 cent - $1 per group Ages 8 - 18 1 to 2 hours

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